Rangeland Ecology & Management
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Displaying 101 - 150 of 307 results
- Library Collection RecordThree soil-active herbicides: atrazine [6-chloro-N-ethyl]-N1-(1-methyethyl)-1,3,5-triazine-2,4-diamine]; propham (1-methylethyl phenyl carbamate); and pronamide [3,5-dichloro(N-1,1-dimethyl-2-…Publication Date 1987-11-01
- propham
- propyzamide
- Bromus japonicus
- atrazine
- carbohydrates
- perennials
- weed control
- yields
- Bromus tectorum
- phosphorus
- Poaceae
- crude protein
- Montana
- nutritive value
- forage
- Library Collection RecordTrends in canopy-coverage of vegetation and bare ground were measured inside and outside exclosures on recent burns within three-pasture rest-rotation and season-long grazing systems over a 10-year…Publication Date 1987-09-01
- ground cover
- ecological succession
- vegetation
- cattle
- Montana
- grazing
- Library Collection RecordA study was conducted in southeastern Montana to determine the effects of federal range grazing on cattle ranch average variable operating costs per animal unit. Data were obtained through personal…Publication Date 1986-07-01
- variable costs
- grazing on public land
- surveys
- ranching
- economic analysis
- production costs
- cattle
- Montana
- rangelands
- Library Collection RecordFour Wyoming big sagebrush (Artemisia tridentata ssp. wyomingensis Beetle and Young) control treatments: burning, spraying with 2,4-D, rotocutting, and plowing, along with no control (rest) were…Publication Date 1986-07-01
- rotary cutting
- control methods
- spraying
- plowing
- 2,4-D
- Pseudoroegneria spicata
- brush control
- prescribed burning
- Artemisia tridentata
- Montana
- Library Collection RecordAn automated range-animal data acquisition system (ARADS) has been developed to collect individual animal data without human intervention. Records include date, time, identification, live-weight,…Publication Date 1987-05-01
- data collection
- automation
- computer techniques
- water use
- identification
- body weight
- sampling
- cattle
- range management
- Montana
- rangelands
- Library Collection RecordCattle impact on riparian areas is dependent upon both their behavior and utilization of streamside vegetation. Development of grazing strategies for riparian environments would be enhanced by an…Publication Date 1986-05-01
- rest
- seasonal behavior
- streams
- highlands
- riparian buffers
- stocking rate
- animal behavior
- feeding behavior
- cattle
- Montana
- grazing
- Library Collection RecordThe influence of crude terpenoid content on in vitro organic matter digestibility (IVOMD) was determined for basin big sagebrush (Artemisia tridentata Nutt. ssp. tridentata), Wyoming big sagebrush (A…Publication Date 1987-05-01
- terpenoids
- Artemisia tridentata
- Odocoileus hemionus
- sheep
- cattle
- in vitro digestibility
- Montana
- Library Collection RecordSamples of current year's growth of leaves and stems were collected in February 1983 from basin big sagebrush (Artemisia tridentata Nutt. tridentata), Wyoming big sagebrush (A.t. wyomingensis…Publication Date 1987-01-01
- artemisia wyomingensis
- artemisia vaseyana
- forage selection
- habitat selection
- terpenoids
- Artemisia tridentata
- Odocoileus hemionus
- diet studies
- grazing behavior
- range management
- Montana
- rangelands
- Library Collection RecordA 2-year study evaluated the efficacy of supplements for beef cows grazing mixed grass prairie during the fall and winter. Cows were allotted to 3 treatments: (1) range forage only, (2) range forage…Publication Date 1986-07-01
- weight gain
- supplementary feeds
- autumn
- cottonseed meal
- winter
- beef cows
- barley
- protein supplements
- prairies
- Montana
- rangelands
- grazing
- Library Collection RecordA study of plant succession in relation to disturbance history was conducted in Douglas-fir [Pseudotsuga menziesii var. glauca (Beissn.) Franco] forest and fescue (Festuca L. spp.) grassland…Publication Date 1986-05-01
- Festuca
- plant ecology
- ecological succession
- fires
- Pseudotsuga menziesii
- mountain grasslands
- habitat improvement
- range management
- Montana
- forage
- Library Collection RecordRussian wildrye (Psathyrostachys juncea), Altai wildrye (Leymus angustus), creeping foxtail (Alopecurus arundinaceus), and 2 forms of a bluebunch wheatgrass (Pseuduroegneria spicata) × quackgrass (…Publication Date 1986-09-01
- Pseudoroegneria spicata
- field experimentation
- Alopecurus arundinaceus
- saline soils
- salt tolerance
- plant introduction
- Leymus angustus
- Elytrigia repens
- Psathyrostachys juncea
- in vitro digestibility
- Montana
- rangelands
- forage
- Library Collection RecordHigh quality forage is needed in the northern Great Plains during the summer when major growth of cool-season grasses has ceased and quality of standing forage is low. The objective of this study was…Publication Date 1986-05-01
- crude protein
- Great Plains
- seasons
- water uptake
- Bouteloua curtipendula
- Schizachyrium scoparium
- Psathyrostachys juncea
- Agropyron desertorum
- digestibility
- crop yield
- Montana
- rangelands
- nutritive value
- forage
- Library Collection RecordArthropods were sampled in pitfall traps for 2 yr on bentonite mine spoils and adjacent, unmined big sagebrush (Artemisia tridentata) grasslands in southeastern Montana to assess the impacts of…Publication Date 1987-03-01
- mine spoil
- bentonite
- colonizing ability
- mined soils
- arthropods
- grasslands
- reclamation
- Artemisia tridentata
- land restoration
- Montana
- Library Collection RecordWe estimated forage intake of Hereford (HH) and 75% Simmental-25% Hereford (3S1H) cows grazing in northcentral Montana during the summer grazing season of 1982. Cows ranged freely over a 81-ha…Publication Date 1986-09-01
- lactation
- Festuca altaica
- Festuca idahoensis
- Pseudoroegneria spicata
- foraging
- breed differences
- beef cows
- Montana
- rangelands
- feed intake
- Library Collection RecordPayson sedge (Carex paysonis Clokey) is a dominant component of many alpine floras in the western United States. This species appears to be a highly adapted colonizer (early invader) on disturbances…Publication Date 1987-03-01
- burial
- carex paysonis
- colonizing ability
- photoperiod
- Carex
- seed germination
- establishment
- temperature
- Montana
- Library Collection RecordSpotted knapweed (Centaurea maculosa Lam.) is a noxious plant that has invaded many native ranges and open woodlands of western Montana. Knapweed is generally considered to have a low palatability to…Publication Date 1987-05-01
- weed control
- nutrient contents of plants
- in vitro digestibility
- Centaurea maculosa
- Montana
- nutritive value
- Library Collection RecordThis study evaluated the efficacy of 2% zinc phosphide grain bait as a control agent for black-tailed prairie dogs (Cynomys ludovicianus) and the rate at which prairie dogs returned to treated areas…Publication Date 1986-05-01
- rodent control
- zinc phosphide
- population change
- grazing competitors
- rodents
- Cynomys ludovicianus
- population dynamics
- Montana
- Library Collection RecordPregermination treatments applied to seed of Gardner saltbush, [Atriplex gardneri (Moq.) D. Dietr.] were evaluated for alleviation of seed dormancy. Treatments selected simulated conditions the seed…Publication Date 1985-07-01
- pregermination
- Atriplex gardneri
- Atriplex
- environmental factors
- Wyoming
- land restoration
- seed germination
- seed dormancy
- Montana
- Library Collection RecordSeeds of greasewood (Sarcobatus vermiculatus (Hook.) Torr.) were germinated at 5 degrees to 40 degrees C in 5-degree increments to determine temperature response. Seeds were also germinated in…Publication Date 1985-03-01
- ions
- water potential
- Sarcobatus vermiculatus
- germination
- temperature
- Montana
- Library Collection RecordNitrogen (N) fertilization can be an effective way of increasing forage production. The question is how much does N fertilization increase forage yield of western wheatgrass (Agropyron smithii) when…Publication Date 1985-09-01
- forage conditioners
- residual effects
- nitrogen fertilizers
- Pascopyrum smithii
- crop yield
- Montana
- rangelands
- Library Collection RecordNest site selection of the mountain plover (Charadrius montanus) was studied on the Charles M. Russell National Wildlife Refuge, Montana, during 1982. Vegetative characteristics of 26 nest sites, all…Publication Date 1985-05-01
- Charadriidae
- charadrius montanus
- charles m. russell national wildlife refuge, montana
- wildlife
- habitats
- vegetation
- Montana
- Library Collection RecordType I and Type II errors and the power of the test when testing the null hypothesis of static range trend are discussed. The consequences associated with Type I and Type II errors are judged to be…Publication Date 1985-09-01
- stocking rate
- monitoring
- trends
- statistical analysis
- range management
- Montana
- rangelands
- Library Collection RecordDietary comparisons based on fecal analysis of mule deer, elk, bighorn sheep, and cattle using mule deer winter ranges along the east slope of the Rocky Mountains indicated that elk, bighorn, and…Publication Date 1984-01-01
- Montana
- Library Collection RecordEvidence suggests that the range livestock industry in the Northern Great Plains is not as productive as it should be. Ranchers are not readily adopting the range improvement practices that…Publication Date 1985-01-01
- investment
- grassland improvement
- ranching
- stocking rate
- Montana
- rangelands
- Library Collection RecordLightning strike fires which occurred between 1940 and 1981 were studied in mixed-grass prairie grasslands and in pine-savanna lands in the Northern Great Plains region. A majority (73%) of ignitions…Publication Date 1984-03-01
- South Dakota
- Montana
- Library Collection RecordTebuthiuron [N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N,N′-dimethylurea] pellets (20% ai) were broadcast at 0.2 kg increments to 1.0 kg/ha onto a sand shinnery oak (Quercus havardii) community…Publication Date 1984-11-01
- Quercus havardii
- grass yield
- Rates
- tebuthiuron
- sand shinnery oak
- Oak Canopy
- herbicide treatments
- Southern High Plains
- control
- drought
- Texas
- management
- Library Collection RecordDetailed measurements were made on silver sagebrush plants to quantify phenological development, plant water potential, and soil water status. Measurements were made at bi-weekly intervals from early…Publication Date 1984-11-01
- Phenological Development
- water relations
- Plains Silver Sagebrush
- Plant Water Potential
- Soil Water Status
- linear regression
- Calendar Date
- water potential
- Livestock and Range Research Station
- Miles City
- Moisture Stress
- measurements
- Artemisia
- Montana
- Library Collection RecordOver a 4-year period, average annual herbage production on native range was 603 kg/ha compared to 1,350 kg/ha on contour-furrowed range interseeded with alfalfa. Addition of 112 kg N/ha and 15 kg P/…Publication Date 1983-07-01
- Montana
- Library Collection RecordThe history and influence of fires was studied at the forest-grassland ecotone in high valleys of southwestern Montana. Investigations were focused upon several sites having early landscape…Publication Date 1983-05-01
- Montana
- Library Collection RecordGermination requirements of green neddlegrass (Stipa viridula Trin.) were studied because of its potential for use in revegetation of disturbed lands. The effects of temperature, light, physiological…Publication Date 1983-05-01
- South Dakota
- Montana
- Library Collection RecordPlant canopy cover, standing crop, and soils were sampled on (1) old (unreclaimed), (2) reclaimed, (3) semireclaimed (newly mined) bentonite mine spoils and (4) native sagebrush-grass rangelands in…Publication Date 1983-05-01
- Plains
- Montana
- Artemisia tridentata
- rangelands
- Library Collection RecordSubalpine areas that were disturbed by ski run construction and then seeded with commercially available grass seed from 2 to more than 10 years ago were examined at 6 Montana ski areas. Species…Publication Date 1983-09-01
- Montana
- Library Collection RecordSubalpine areas that were disturbed by ski run construction and then seeded with commercially available grass seed from 2 to more than 10 years ago were examined at 6 Montana ski areas. Species…Publication Date 1983-09-01
- Montana
- Library Collection RecordThree levels of vehicle impact (2, 8, 32 trips over the same tracks) were applied on rangelands near Ashland, Mont., using a four-wheel-drive Chevrolet Blazer with mud and snow radial tires. The…Publication Date 1983-05-01
- Montana
- livestock grazing
- soils
- Library Collection RecordThe lichen (Parmelia chlorochroa) was most abundant in sagebrush and grassland vegetation associations, less so in the pine, and absent in riparian types. It was significantly associated with drier…Publication Date 1983-01-01
- Montana
- Parmelia chlorochroa
- reducing erosion
- intensive grazing
- nutrient quality of soils
- Library Collection RecordResearch was conducted on strip mined lands at Colstrip, Mon., over a 6-year period to evaluate germination, survival and cover characteristics of fairway crested wheatgrass (Agropyron cristatum),…Publication Date 1982-07-01
- Montana
- reclamation
- Library Collection RecordInformation on the potential loss of forage that might be expected from grasshopper feeding in a given season would benefit ranchers and land managers if the loss could be estimated in the spring…Publication Date 1982-01-01
- Wyoming
- Montana
- Library Collection RecordResponses of reseeded vegetation in the first two growing seasons (1978 and 1979) to irrigation on topsoiled sodic mine spoils are presented. In terms of above-ground productivity and stand…Publication Date 1982-01-01
- Montana
- Library Collection RecordPeak standing crop and its variability were evaluated over a 3-year period on 35 sites representing 13 important grassland and shrubland habitat types in western Montana. Average production ranged…Publication Date 1981-09-01
- Montana
- Library Collection RecordEffects of three exposure levels of SO2 (55, 100, and 170 micrograms m-3) on the nutritive value of western wheatgrass were investigated. Significant increases in plant sulfur content were observed,…Publication Date 1981-07-01
- sulfur dioxide
- Levels
- Plant Ash
- Custer National Forest
- western wheatgrass
- nutritive value
- digestibility
- in vitro
- Time
- Great Plains
- forage quality
- nitrogen
- Montana
- Library Collection RecordThe three subspecies of big sagebrush (Artemisia tridentata) are dominant shrubs over much of the Intermountain West. Because the subspecies differ in palatability and habitat requirements,…Publication Date 1982-01-01
- Idaho
- Montana
- Utah
- Library Collection RecordResearch was conducted on topsoiled strip mined lands at Colstrip, Mon., over a 6-year period to evaluate germination, survival, productivity, and cover characteristics of Eski sainfoin (Onobrychis…Publication Date 1982-05-01
- Montana
- revegetation
- Library Collection RecordResearch was conducted on native range and revegetated strip mine spoils near Colstrip, Montana, in August of 1975 to determine the weight and distribution of root biomass at five locations. Study…Publication Date 1982-03-01
- Montana
- Library Collection RecordTo determine possible vegetation changes, 15 plant communities on public lands in the Willow Creek basin near Glasgow, Montana, that were sampled in 1960 were resampled in 1977. Most of the…Publication Date 1981-01-01
- Montana
- Library Collection RecordBasal area data, collected from five sites in 1963 and 1976, were compared to determine the effects of 13 years of above-average rainfall in the growing season (April through September) on native…Publication Date 1980-07-01
- Montana
- Library Collection RecordThe flowering of 28 forb species at two locations was correlated with grasshopper development in 1977 and 1978. Indicator plants whose flowering phenology was associated with grasshopper hatching…Publication Date 1980-07-01
- Montana
- Library Collection RecordData on root weight, length, and surface area are useful in soil characterization, ecosystem description, and studies of plant-soil interaction. Characterization of root systems is often thought to…Publication Date 1981-05-01
- Montana
- Library Collection RecordContour furrows on fine-textured range sites in southeastern Montana caught an annual average of 22 mm more snow equivalent than nearby nonfurrowed areas. In addition, the furrows held snowmelt…Publication Date 1980-05-01
- Montana
- Library Collection RecordMixing sodium carbonate into the top 100 to 150 mm of soil in three farm ponds constructed in calcareous soil in eastern Montana effectively reduced seepage losses for about 3 years following…Publication Date 1980-07-01
- Lakes and Ponds
- Montana
- Library Collection RecordFairy rings 25×30 m in diam were observed on southwest-facing grasslands of the Rock Creek drainage of Montana at the 1,450-m elevation on May 20, 1970. Within the stimulated growth portion of the…Publication Date 1979-11-01
- Montana